135409390 has 16 divisors (see below), whose sum is σ = 256565520. Its totient is φ = 51312960.

The previous prime is 135409367. The next prime is 135409423. The reversal of 135409390 is 93904531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356151 + ... + 356530.

It is an arithmetic number, because the mean of its divisors is an integer number (16035345).

Almost surely, 2^135409390 is an apocalyptic number.

135409390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135409390 is a deficient number, since it is larger than the sum of its proper divisors (121156130).

135409390 is a wasteful number, since it uses less digits than its factorization.

135409390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712707.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 135409390 is about 11636.5540431865. The cubic root of 135409390 is about 513.5108140825.

The spelling of 135409390 in words is "one hundred thirty-five million, four hundred nine thousand, three hundred ninety".